JPS61107010U - - Google Patents

Info

Publication number
JPS61107010U
JPS61107010U JP1984190943U JP19094384U JPS61107010U JP S61107010 U JPS61107010 U JP S61107010U JP 1984190943 U JP1984190943 U JP 1984190943U JP 19094384 U JP19094384 U JP 19094384U JP S61107010 U JPS61107010 U JP S61107010U
Authority
JP
Japan
Prior art keywords
circuit
moving object
output signal
control
outputs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1984190943U
Other languages
Japanese (ja)
Other versions
JPH0749524Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984190943U priority Critical patent/JPH0749524Y2/en
Priority to US06/807,810 priority patent/US4659972A/en
Publication of JPS61107010U publication Critical patent/JPS61107010U/ja
Application granted granted Critical
Publication of JPH0749524Y2 publication Critical patent/JPH0749524Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1445—Control of position or direction using feedback using an analogue comparing device with a plurality of loops
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • G11B7/08535—Methods and circuits to control the velocity of the head as it traverses the tracks to maintain constant velocity during the traverse

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
  • Control Of Position Or Direction (AREA)
  • Control Of Linear Motors (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の回路構成を示す図、第２図及
び第３図は第１図における被制御系ブラツクボツ
クス１４の構成図及びその等価回路、第４図は本
考案の説明に供する図。 １…制御装置、２〜４，１１，１３…オペアン
プ、５…ＯＲ回路、６…ＡＮＤ回路、７…エクス
クルーシブＯＲ回路、８…被制御系ブラツクボツ
クス、９…コンパレータ、１０…スイツチ、１２
…パワーアンプ、Ｒ１〜Ｒ１４，Ｒｍ…抵抗、Ｃ
１，Ｃ２，Ｏｓ…コンデンサ、Ｌｍ，Ｌｓ…コイ
ル、Ｍ…移動体、ＳＮＳ…位置検出器、ＳＮＳ′
…変換回路。 FIG. 1 is a diagram showing the circuit configuration of the present invention, FIGS. 2 and 3 are configuration diagrams of the controlled system black box 14 in FIG. 1 and its equivalent circuit, and FIG. 4 is a diagram for explaining the present invention. . 1... Control device, 2 to 4, 11, 13... Operational amplifier, 5... OR circuit, 6... AND circuit, 7... Exclusive OR circuit, 8... Controlled system black box, 9... Comparator, 10... Switch, 12
...power amplifier, R1 to R14, Rm...resistance, C
1, C2, Os...capacitor, Lm, Ls...coil, M...moving object, SNS...position detector, SNS'
...Conversion circuit.

Claims (1)

【実用新案登録請求の範囲】 位置情報が移動体の変位に応じて正弦波状に変
わる位置検出器を使用する自動位置決め装置に於
いて、 前記位置検出器からの応答電圧を微分した第１
の出力信号を出力する微分回路と、 前記微分回路からの出力信号を整流した第２の
出力信号を出力する整流回路と、 第１及び第２の基準電圧を出力する基準電圧発
生回路と、 前記移動体を駆動制御する制御回路とからなり
、 前記制御回路は、位置制御時には前記第１の出
力信号と基準電圧に基づいて、また移動制御時に
は前記第２の出力信号と基準信号に基づいて前記
移動体の位置制御、又は移動制御をすることを特
徴とする自動位置決め回路。[Claims for Utility Model Registration] In an automatic positioning device using a position detector whose position information changes sinusoidally in accordance with the displacement of a moving object,
a rectifying circuit that outputs a second output signal obtained by rectifying the output signal from the differentiating circuit; a reference voltage generating circuit that outputs first and second reference voltages; and a control circuit that drives and controls the moving object, and the control circuit controls the driving of the moving object based on the first output signal and the reference voltage during position control, and based on the second output signal and the reference signal during movement control. An automatic positioning circuit characterized by controlling the position or movement of a moving object.
JP1984190943U 1984-12-17 1984-12-17 Mobile body movement control device Expired - Lifetime JPH0749524Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1984190943U JPH0749524Y2 (en) 1984-12-17 1984-12-17 Mobile body movement control device
US06/807,810 US4659972A (en) 1984-12-17 1985-12-11 Servo system for positioning and driving a movable member using two reference voltages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984190943U JPH0749524Y2 (en) 1984-12-17 1984-12-17 Mobile body movement control device

Publications (2)

Publication Number Publication Date
JPS61107010U true JPS61107010U (en) 1986-07-07
JPH0749524Y2 JPH0749524Y2 (en) 1995-11-13

Family

ID=16266253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984190943U Expired - Lifetime JPH0749524Y2 (en) 1984-12-17 1984-12-17 Mobile body movement control device

Country Status (2)

Country Link
US (1) US4659972A (en)
JP (1) JPH0749524Y2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740939A (en) * 1985-05-22 1988-04-26 Hitachi Ltd. Apparatus for reproducing information recorded on a disk
US5161243A (en) * 1986-01-21 1992-11-03 Matsushita Electric Industrial Co., Ltd. Tracking system for an optical recording/reproducing apparatus having a plurality of light spots
US4760319A (en) * 1987-02-27 1988-07-26 Magnetic Peripherals Inc. Circuit for removing unwanted slope transitions from an incoming signal
US4839876A (en) * 1987-11-23 1989-06-13 International Business Machines Corporation Track seeking using a track following loop
NL8802435A (en) * 1988-10-05 1990-05-01 Philips Nv DEVICE FOR SCANNING A RECORD CARRIER, AND A CONTROL CIRCUIT FOR APPLICATION IN SUCH A DEVICE.
US4933784A (en) * 1988-10-31 1990-06-12 Ampex Corporation Automatic head position tracking system for video signals recorded in a segmented format
US5359581A (en) * 1989-07-04 1994-10-25 Canon Kabushiki Kaisha Detector for moving velocity of light beam spot
JP2808747B2 (en) * 1989-11-15 1998-10-08 ソニー株式会社 Track jump control circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671855A (en) * 1979-11-15 1981-06-15 Sony Corp Playback device of disc
NL8003305A (en) * 1980-06-06 1982-01-04 Philips Nv Apparatus for locating a desired information track.
US4355273A (en) * 1980-09-15 1982-10-19 Xerox Corporation Servo capture system

Also Published As

Publication number Publication date
US4659972A (en) 1987-04-21
JPH0749524Y2 (en) 1995-11-13

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